Solid sodium reacts violently with water producing heat, hydrogen gas and sodium hydroxide. how many molecules of hydrogen gas are produced when 65.4g of sodium are added to water? 2na(s)+ 2h2o(l) --> . 2naoh(aq) + h2(g)

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.